CN201330263Y - Heat-treatment electric resistance furnace using residual heat cyclic normalizing of forging blank - Google Patents
Heat-treatment electric resistance furnace using residual heat cyclic normalizing of forging blank Download PDFInfo
- Publication number
- CN201330263Y CN201330263Y CNU2009201426059U CN200920142605U CN201330263Y CN 201330263 Y CN201330263 Y CN 201330263Y CN U2009201426059 U CNU2009201426059 U CN U2009201426059U CN 200920142605 U CN200920142605 U CN 200920142605U CN 201330263 Y CN201330263 Y CN 201330263Y
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- furnace
- normalizing
- heat
- bell
- electric resistance
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Abstract
The utility model relates to a heat-treatment electric resistance furnace using residual heat cyclic normalizing of a forging blank, including a furnace body, a furnace lid and a furnace box, wherein the furnace body contains at least two furnace boxes, the mouth of each furnace box is provided with the furnace lid separately, and the furnace lid is provided with a switching device. The furnace box is square, and the inner wall and the bottom of the furnace box are provided with resistance wires. The switching device is a hydraulic type switching device, a hydraulically extensible pole is connected with a rear handle of the furnace lid. The electric resistance furnace is capable of saving energy and has a high production efficiency.
Description
Technical field
The utility model relates to a kind of normalizing resistor furnace for heat treatment, is specifically related to a kind of resistor furnace for heat treatment that utilizes forging stock waste heat circulation normalizing.
Background technology
The ladder axial workpiece that is used for industries such as machinery, automobile, building, adopting forging, extruding and wedge rolling to add man-hour, forging stock under it is hot (or claiming rolled parts) needs to put into the material frame by part, treat to fall down to be cooled to normal temperature after forging stock is filled the material frame with moving again, remove stub bar and reinstall the PP Pipe Compound frame and be placed in the bench vehicle type electrical resistance furnace, require to carry out normalizing thermal treatment according to normalizing heat treatment technique.This bench vehicle type electrical resistance furnace is single burner hearth, can not cycle operation, and when being warmed up to the heat treated temperature of normalizing in this resistance furnace, the forging stock under the normal temperature attitude not only needed time but also consume electric power, and the production cycle is long, and efficient is low.
Summary of the invention
At above-mentioned the problems of the prior art, the purpose of this utility model is to provide a kind of normalizing resistor furnace for heat treatment of saving the energy, raising labour productivity.
The utility model is that the technical scheme that its purpose of realization is taked is: a kind of resistor furnace for heat treatment that utilizes forging stock waste heat circulation normalizing, comprise body of heater, bell and burner hearth, establish resistance wire in the burner hearth, at least contain two burner hearths in the described body of heater, each furnace mouth all is provided with bell separately, and described bell is established closing device.
Described burner hearth is square, within it wall and bottom distributed resistance silk.
Described closing device is the fluid pressure type closing device, and the hydraulically extensible post is connected with handle behind the bell.
The utility model and the corresponding supporting use of wedge rolling product normalizing heat treatment technique, can according to the cross wedge rolling machine productive temp and rolling good product length weight wait and radiating condition is made diplopore, three holes, four holes or other porous pit furnaces of separate unit 60kw, the product that progressively will pile the material frame requires (waiting to be as cold as about 500 ℃) to put into an a certain hole resistance furnace to temperature (as to 940 ℃) according to thermal treatment process to carry out the normalizing treatment heat tracing, recycle successively.
The beneficial effects of the utility model: save the energy, the production efficiency height.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the utility model vertical view;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1.
Embodiment
Referring to Fig. 1-3, the utility model comprises body of heater 15, bell 9 and burner hearth 7, establishes resistance wire 13 in the burner hearth.In concrete enforcement, can be designed to twin furnace, three burner hearths or other multiple hearths in the body of heater according to requiring of producing, present embodiment is that example is described with square well formula four burner hearths.For guaranteeing the homogeneity of furnace bottom Heating temperature and fire box temperature, furnace bottom is established resistance wire 13, is positioned at drop-bottom 12 belows, and its single phase power is 10kw.Inboard wall of burner hearth is established resistance wire 14, and its power is 55kw, and single hole resistance furnace power is three-phase 60kw, and total four hole resistance furnace electric power are three-phase 240kw.Be provided with thermal insulation layer 11 in the bell 9.Back of bell is connected with the telescopic mast of fluid pressure type closing device 1, controls the folding of described bell by hydraulic efficiency plant.Furnace bottom adopts light fire brick 2 and high refractory brick 3.The hearth wall outside is an aluminosilicate fiberboard 5, is stove thermal insulation layer 4 in it.The inboard is a burner hearth sidewall brick 6, and fire door is provided with heat dam 8 and heavy brick 10.
The set quadruplet fluid pressure type closing device 1 of body of heater side is controlled by the electrical control cabinet of four platform independent control.Adopt medium-sized round end self-poise recorder controller temperature control.Adopt overtemperature situation in the use of digital display regulator monitored resistance stove.
Test from product energy consumption, with the normalizing of 105kw bench vehicle type electrical resistance furnace, show according to statistics: 2007 annual power consumptions are 0.45kwh/kg; Adopt the utility model and the supporting with it waste heat normalizing heat treatment technique that utilizes, heat 98 times, average current drain are 0.29kwh/kg, and two than unit consumption electric energy saving 35%, by normalizing heat treated article weight 1367110kg calculating altogether in 2007, saves energy was 21.8 ten thousand degree.
Claims (3)
1, a kind of resistor furnace for heat treatment that utilizes forging stock waste heat circulation normalizing, comprise body of heater, bell and burner hearth, establish resistance wire in the burner hearth, it is characterized in that containing at least in the described body of heater two burner hearths, each furnace mouth all is provided with bell separately, and described bell is established closing device.
2, the resistor furnace for heat treatment that utilizes forging stock waste heat circulation normalizing according to claim 1 is characterized in that described burner hearth is square, within it wall and bottom distributed resistance silk.
3, the resistor furnace for heat treatment that utilizes forging stock waste heat circulation normalizing according to claim 1 and 2 is characterized in that described closing device is the fluid pressure type closing device, and the hydraulically extensible post is connected with handle behind the bell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201426059U CN201330263Y (en) | 2009-01-05 | 2009-01-05 | Heat-treatment electric resistance furnace using residual heat cyclic normalizing of forging blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201426059U CN201330263Y (en) | 2009-01-05 | 2009-01-05 | Heat-treatment electric resistance furnace using residual heat cyclic normalizing of forging blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201330263Y true CN201330263Y (en) | 2009-10-21 |
Family
ID=41223639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201426059U Expired - Fee Related CN201330263Y (en) | 2009-01-05 | 2009-01-05 | Heat-treatment electric resistance furnace using residual heat cyclic normalizing of forging blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201330263Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444573A (en) * | 2015-12-01 | 2016-03-30 | 聂晓彬 | Energy-saving and environment-friendly high-temperature electric melting furnace |
-
2009
- 2009-01-05 CN CNU2009201426059U patent/CN201330263Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444573A (en) * | 2015-12-01 | 2016-03-30 | 聂晓彬 | Energy-saving and environment-friendly high-temperature electric melting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20130105 |